//------------------------------------------------------------
//  ParameterModifier.java    Author: 20172330
//  
//  Demonstrates the effects of changing parameter values.
//------------------------------------------------------------

public class ParameterTester
  {
   //----------------------------------------------------------------
   // Modifies the parameters,printing their value before and
   // after making the changes. 
   //----------------------------------------------------------------
   public void changeValues(int f1,Num f2,Num f3)
   {
     System.out.println("Before changing the values:");
     System.out.println("f1\tf2\tf3");
     System.out.println(f1 +"\t"+f2+ "\t" + f3 + "\n");
     
     f1 = 999;
     f2.setValue(888);
     f3 = new Num(777);
    
     System.out.println("After changing the values:");
     System.out.println("f1\tf2\t3f3");
     System.out.println(f1 + "\t" + f2 + "\t" +f3+ "\n"); 
}
}

